The Helios ELS EC 100 N fan insert offers a 100 m³/h airflow with two power levels designed for demand and basic ventilation. It features an overrun function and switch-on delay to optimize performance and energy use. The spiral casing contains an aerodynamically and acoustically optimized radial impeller, providing high pressure and low noise in compliance with DIN 4109 T.2 sound insulation standards. Installation is easy and tool-free using a plug-in coupling that ensures simultaneous electrical contact connection. The energy-efficient EC motor is housed in a closed cast aluminium case with maintenance-free ball bearings rated for 40,000 operating hours. The unit sports a flat, elegant alpine white façade made of premium plastic that has won multiple design awards. It includes a dishwasher-safe permanent G2 air filter located under a hinged front panel and an integrated filter contamination indicator with a visual warning for cleaning.